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In this paper,acetanilide,adipic acid and potassium hydrogen phthalate were chosen as additives to advance polyvinyl chloride to crystallize. The effects of compress mold,annealing temperature and time,additive property and loading on the crystallization,microscopicmorphology and mechanical properties of PVC were studied by means of wide angle X-ray diffraction,differential scanning calorimetry,fourier transform infrared spectrophotometer,scanning electron microscopeand tensile test.

本文利用乙酰苯胺、己二酸和邻苯二甲酸氢钾作为聚氯乙烯结晶改性的添加剂，通过广角X-射线衍射法、差示扫描量热法、傅立叶转换红外光谱、扫瞄电镜和万能电子实验机研究了热压、热处理温度和时间、添加剂结构和质量分数对PVC结晶、微观形态和宏观机械性能的影响。

Still the religious influence of this priestly caste continued throughout the rule of the Achaemenian dynasty in Persia (Ctesias,"Persica", X-XV); and is not unlikely that at the time of the birth of Christ it was still flourishing under the Parthian dominion.

还是宗教的影响，这圣种姓继续在全国各地的统治地位achaemenian王朝在波斯（ ctesias ，" persica "， X代表- XV ）号决议，以及是不是不太可能，在时间的基督诞生，它仍在蓬勃发展下，帕提亚人Dominion的。

Clinical manifestations, X-ray findings and treatment of achalasia of cardia.

贲门失弛缓症的临床表现，X线表现及治疗。

Methods 21 patients with achalasia placed temporary metal internal stent under X-ray control ( stent of 20～25mm diameters ).

21例贲门失弛缓症患者在X线下置入国产可扩张带膜金属内支架，术后3～5天由胃镜取出。

Through electron probe\'s analysis to the albite jade, union grinding sample thin slice under polarizing microscope observation as well as X powder crystal diffraction data analysis. Discovery like Chen zhenqiang and "System Gemology" said that secondary mineral for actinolite, green mudstone, epidote and quart.

通过对钠长石玉进行电子探针的分析，结合磨制的样品薄片在偏光显微镜下的观察以及X粉晶衍射数据分析，可知钠长石玉中的主要成分为钠长石，次要矿物为硬玉、角闪石、绿辉石、钠铬辉石；并未发现如陈振强等人以及《系统宝石学》中所说的次要矿物为阳起石、绿泥石、绿帘石、石英。

Asymmetrical dynamic propagation problems under the action of variable loads and (P^3t/x^2) located at the origin of the coordinates respectively, are resolved by the measures of self-similar functions, and the universal expressions of analytical solutions to stresses, displacements and stress intensity factors are gained.

采用自相似函数的方法对坐标原点分别受到变载荷Px/t、Pt^3/x^2作用下的非对称动态扩展问题进行求解，获得了应力、位移和动态应力强度因子解析解的一般表达式。

The structures, functions and anticoagulant mechanisms of anticoagulation factors ACF I and ACF II from the venom of Agkistrodon acutus have been investigated. Both ACF I and ACF II form a 1:1 complex with activated coagulation factor X in a Calcium ion-dependent fashion which prevents the interaction of FXa with other proteins in the coagulation process, therefore ACF I and ACF II have marked anticoagulant activity.

中文摘要：对尖吻蝮蛇毒中抗凝血因子ACF I和ACF II的结构、功能和抗凝机理等进行了深入研究，发现ACF I和ACF II均与活化凝血因子X结合成1：1的复合物，从而阻止了FXa进一步参加凝血过程中反应，因而具有显著的抗凝血活性。

Both ACF I and ACF II form a 1:1 complex with activated coagulation factor X in a Calcium ion-dependent fashion which prevents the interaction of FXa with other proteins in the coagulation process, therefore ACF I and ACF II have marked anticoagulant activity.

对尖吻蝮蛇毒中抗凝血因子ACF I和ACF II的结构、功能和抗凝机理等进行了深入研究，发现ACF I和ACF II均与活化凝血因子X结合成1：1的复合物，从而阻止了FXa进一步参加凝血过程中反应，因而具有显著的抗凝血活性。

Blocks Active X, provides bad active list and protection from them.

大厦的Active X ，提供了积极的坏名单和保护他们。

For example, the quasigroup on ''' R ''' with multiplication given by ('' x ''+''y'')/2 is isotopic to the additive group '''R''', but is not itself a group.

比如说，实数集合'''R'''与其上的运算(''x''+''y'')/2 构成的拟群同痕于'''R'''上的加法群，但它本身不是群。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。